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Catalysts for metathesis have been developed into enormously powerful and versatile tools in organic synthesis. The wealth of synthetic transformations that can be accomplished is astonishing. Below the unravelling by Yves Chauvin of the metathesis mechanism and the following discoveries by Richard Schrock and Robert Grubbs of metathesis catalysts and their uses are described. Schrock`s creation of the first well-defined useful catalysts Many researchers foresaw the great synthetic potential of metathesis. But applications to organic chemistry were generally complicated by the sensitivity of the traditional catalysts to air and moisture, by side-reactions and by relatively short lifetimes. Progress required identifiable, relatively stable compounds that would behave as long-lived catalysts, whose reactivity could even be “tuned” for the desired task.
Tags : traditional catalysts, robert grubbs, metathesis method in organic synthesis, yves chauvin, synthetic transformations, stable compounds, richard schrock, versatile tools, organic chemistry, lifetimes, reactivity, discoveries
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July 16th, 2008 at 1:57 pm
its verry good book